/* ============================================================
   AURELIA — Maison Horlogère
   Obsidian + champagne gold · Cormorant Garamond / Jost
   ============================================================ */

:root {
  --obsidian: #0b0a08;
  --obsidian-2: #100e0b;
  --ink: #15120d;
  --ivory: #efe7d7;
  --ivory-dim: #b8ad97;
  --muted: #7d745f;
  --gold: #c9a86a;
  --gold-bright: #e7cd95;
  --gold-deep: #9b7c45;
  --line: rgba(201, 168, 106, 0.16);

  --display: "Cormorant Garamond", Georgia, serif;
  --accent: "Marcellus", Georgia, serif;
  --body: "Jost", system-ui, sans-serif;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --gutter: clamp(1.25rem, 5vw, 6rem);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--obsidian);
  color: var(--ivory);
  font-family: var(--body);
  font-weight: 300;
  line-height: 1.7;
  letter-spacing: 0.01em;
  overflow-x: hidden;
  position: relative;
}

::selection { background: var(--gold); color: var(--obsidian); }

a { color: inherit; text-decoration: none; }

/* ---------- atmosphere ---------- */
.grain {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  opacity: 0.05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.aurora { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.aurora__orb {
  position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.5;
  will-change: transform;
}
.aurora__orb--1 {
  width: 60vw; height: 60vw; top: -22vw; right: -14vw;
  background: radial-gradient(circle at 50% 50%, rgba(201,168,106,0.30), rgba(201,168,106,0) 66%);
  animation: drift1 26s var(--ease) infinite alternate;
}
.aurora__orb--2 {
  width: 48vw; height: 48vw; bottom: -16vw; left: -12vw;
  background: radial-gradient(circle at 50% 50%, rgba(155,124,69,0.26), rgba(155,124,69,0) 64%);
  animation: drift2 32s var(--ease) infinite alternate;
}
@keyframes drift1 { to { transform: translate(-6vw, 8vw) scale(1.12); } }
@keyframes drift2 { to { transform: translate(7vw, -6vw) scale(1.1); } }

/* ---------- intro veil ---------- */
.veil {
  position: fixed; inset: 0; z-index: 90;
  background: var(--obsidian);
  display: grid; place-content: center; justify-items: center; gap: 1.4rem;
  transition: opacity 1s var(--ease), visibility 1s;
}
.veil.is-gone { opacity: 0; visibility: hidden; }
.veil__mark {
  font-family: var(--accent); font-size: clamp(1.5rem, 5vw, 2.6rem);
  letter-spacing: 0.7em; text-indent: 0.7em; color: var(--ivory);
  animation: veilIn 1.3s var(--ease) both;
}
.veil__line { width: min(58vw, 320px); height: 1px; background: var(--line); overflow: hidden; }
.veil__line span { display: block; height: 100%; width: 100%; background: linear-gradient(90deg, transparent, var(--gold), transparent);
  transform: translateX(-100%); animation: sweep 1.6s 0.3s var(--ease) infinite; }
@keyframes veilIn { from { opacity: 0; letter-spacing: 1.4em; } }
@keyframes sweep { to { transform: translateX(100%); } }

/* ---------- nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.7rem var(--gutter);
  transition: padding 0.5s var(--ease), background 0.5s var(--ease), border-color 0.5s;
  border-bottom: 1px solid transparent;
}
.nav--solid {
  padding-top: 1.05rem; padding-bottom: 1.05rem;
  background: rgba(11, 10, 8, 0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav__brand {
  font-family: var(--accent); font-size: 1.35rem; letter-spacing: 0.42em; text-indent: 0.42em;
  color: var(--ivory);
}
.nav__links { display: flex; align-items: center; gap: clamp(1.2rem, 2.6vw, 2.6rem); }
.nav__links a {
  font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.24em; color: var(--ivory-dim);
  transition: color 0.4s; position: relative;
}
.nav__links a:not(.nav__cta)::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 1px; width: 0;
  background: var(--gold); transition: width 0.5s var(--ease);
}
.nav__links a:hover { color: var(--ivory); }
.nav__links a:not(.nav__cta):hover::after { width: 100%; }
.nav__cta {
  color: var(--gold-bright) !important; border: 1px solid var(--line);
  padding: 0.7rem 1.3rem; border-radius: 100px; transition: border-color 0.4s, background 0.4s, color 0.4s;
}
.nav__cta:hover { border-color: var(--gold); background: rgba(201,168,106,0.08); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.7rem;
  font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.22em;
  padding: 1.05rem 2.1rem; border-radius: 100px; transition: transform 0.5s var(--ease), box-shadow 0.5s, background 0.5s, color 0.4s;
  will-change: transform;
}
.btn--gold {
  background: linear-gradient(135deg, var(--gold-bright), var(--gold) 55%, var(--gold-deep));
  color: #1a1409; font-weight: 400;
  box-shadow: 0 14px 40px -18px rgba(201,168,106,0.7);
}
.btn--gold:hover { transform: translateY(-3px); box-shadow: 0 22px 54px -18px rgba(201,168,106,0.85); }
.btn--ghost { color: var(--ivory-dim); border: 1px solid var(--line); }
.btn--ghost:hover { color: var(--ivory); border-color: var(--gold); transform: translateY(-3px); }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 1.1s var(--ease), transform 1.1s var(--ease); }
.reveal.in-view { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.10s; }
.reveal[data-delay="2"] { transition-delay: 0.20s; }
.reveal[data-delay="3"] { transition-delay: 0.30s; }
.reveal[data-delay="4"] { transition-delay: 0.42s; }
.reveal[data-delay="5"] { transition-delay: 0.54s; }
.reveal[data-delay="6"] { transition-delay: 0.66s; }

/* ---------- hero ---------- */
.hero {
  position: relative; min-height: 100svh; z-index: 2;
  display: flex; flex-direction: column; justify-content: center;
  padding: 7rem var(--gutter) 4rem;
}
.hero__inner { max-width: 56rem; }
.eyebrow {
  font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.42em; color: var(--gold);
  margin-bottom: 2rem;
}
.hero__title {
  font-family: var(--display); font-weight: 300; line-height: 0.96;
  font-size: clamp(3.4rem, 12vw, 10rem); letter-spacing: -0.01em;
}
.hero__title span { display: block; }
.hero__title--italic { font-style: italic; color: var(--gold-bright); font-weight: 400; }
.hero__lede {
  font-size: clamp(1.05rem, 1.8vw, 1.35rem); color: var(--ivory-dim);
  max-width: 34rem; margin: 2.2rem 0 2.8rem; line-height: 1.75;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; }

.scrollcue {
  position: absolute; left: var(--gutter); bottom: 2.2rem;
  display: inline-flex; align-items: center; gap: 0.9rem;
  font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.32em; color: var(--muted);
}
.scrollcue i { width: 52px; height: 1px; background: var(--line); position: relative; overflow: hidden; }
.scrollcue i::after { content: ""; position: absolute; inset: 0; width: 40%;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  animation: cue 2.4s var(--ease) infinite; }
@keyframes cue { from { transform: translateX(-120%); } to { transform: translateX(280%); } }

/* hero dial */
.dial {
  position: absolute; top: 50%; right: clamp(-12rem, -6vw, -4rem); transform: translateY(-50%);
  width: clamp(28rem, 52vw, 62rem); aspect-ratio: 1; z-index: -1; opacity: 0.85;
  pointer-events: none;
  animation: dialIn 2s var(--ease) both;
}
@keyframes dialIn { from { opacity: 0; transform: translateY(-50%) scale(0.92) rotate(-8deg); } }
.dial__ring { position: absolute; inset: 0; border-radius: 50%; }
.dial__ring--outer {
  background:
    conic-gradient(from 0deg, rgba(201,168,106,0) 0deg, rgba(201,168,106,0.35) 90deg, rgba(201,168,106,0) 180deg, rgba(231,205,149,0.4) 270deg, rgba(201,168,106,0) 360deg);
  -webkit-mask: radial-gradient(circle, transparent 60%, #000 61%, #000 62%, transparent 63%);
  mask: radial-gradient(circle, transparent 60%, #000 61%, #000 62%, transparent 63%);
  animation: spin 60s linear infinite;
}
.dial__ring--inner {
  inset: 16%;
  border: 1px solid var(--line);
  box-shadow: inset 0 0 80px rgba(201,168,106,0.08);
  background: radial-gradient(circle at 38% 32%, rgba(201,168,106,0.10), transparent 60%);
}
.dial__hand {
  position: absolute; left: 50%; top: 50%; width: 1px; height: 34%;
  background: linear-gradient(to top, transparent, var(--gold-bright));
  transform-origin: 50% 100%;
  animation: handspin 8s linear infinite;
}
.dial__pivot { position: absolute; left: 50%; top: 50%; width: 10px; height: 10px; border-radius: 50%;
  background: var(--gold-bright); transform: translate(-50%, -50%); box-shadow: 0 0 22px var(--gold); }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes handspin { from { transform: translate(-50%, -100%) rotate(0deg); } to { transform: translate(-50%, -100%) rotate(360deg); } }

/* ---------- manifesto ---------- */
.manifesto {
  position: relative; z-index: 2;
  padding: clamp(7rem, 16vh, 13rem) var(--gutter);
  text-align: center;
}
.manifesto__kicker, .section-head__kicker {
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.4em; color: var(--gold);
  margin-bottom: 2.4rem;
}
.manifesto__text {
  font-family: var(--display); font-weight: 300; font-style: italic;
  font-size: clamp(1.8rem, 5.2vw, 4.2rem); line-height: 1.18; color: var(--ivory);
  max-width: 50rem; margin: 0 auto;
}
.manifesto__text span { display: block; }

/* ---------- section head ---------- */
.section-head { padding: 0 var(--gutter); margin-bottom: clamp(3rem, 7vh, 5.5rem); }
.section-head__title, .craft__title, .invite__title {
  font-family: var(--display); font-weight: 300; line-height: 1.04;
  font-size: clamp(2.4rem, 6vw, 4.6rem); letter-spacing: -0.01em;
}
.section-head__title em, .craft__title em, .invite__title em { font-style: italic; color: var(--gold-bright); }

/* ---------- collection ---------- */
.collection { position: relative; z-index: 2; padding: clamp(4rem, 8vh, 7rem) 0 clamp(5rem, 10vh, 9rem); }
.pieces {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.5rem, 3vw, 3rem);
  padding: 0 var(--gutter);
}
.piece { position: relative; }
.piece__visual {
  position: relative; aspect-ratio: 4 / 5; border-radius: 6px; overflow: hidden;
  background: linear-gradient(160deg, #16130d, #0c0b08);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.03), 0 30px 60px -40px rgba(0,0,0,0.9);
  display: grid; place-items: center;
  transition: transform 0.7s var(--ease), box-shadow 0.7s var(--ease);
}
.piece:hover .piece__visual { transform: translateY(-8px); box-shadow: inset 0 1px 0 rgba(255,255,255,0.05), 0 50px 80px -42px rgba(201,168,106,0.28); }
.piece__face {
  width: 58%; aspect-ratio: 1; border-radius: 50%; position: relative;
  border: 1px solid var(--line);
  box-shadow: inset 0 0 60px rgba(0,0,0,0.7);
  transition: transform 0.9s var(--ease);
}
.piece:hover .piece__face { transform: rotate(14deg); }
.piece__face::before {
  content: ""; position: absolute; inset: 14%; border-radius: 50%;
  border: 1px solid rgba(201,168,106,0.14);
}
.piece__face::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 6px; height: 6px; border-radius: 50%;
  background: var(--gold-bright); transform: translate(-50%, -50%); box-shadow: 0 0 16px var(--gold);
}
.piece__visual--celeste .piece__face { background: conic-gradient(from 200deg, rgba(201,168,106,0.22), transparent 40%, rgba(201,168,106,0.12) 70%, transparent); }
.piece__visual--sovereign .piece__face { background: radial-gradient(circle at 50% 38%, rgba(231,205,149,0.16), transparent 55%), #100d09; }
.piece__visual--sovereign .piece__face::before { box-shadow: inset 0 0 0 6px rgba(0,0,0,0.5); }
.piece__visual--meridien .piece__face { background: radial-gradient(circle at 50% 60%, rgba(201,168,106,0.28), transparent 60%), #120d07; }

.piece__body { padding: 1.7rem 0.4rem 0; }
.piece__no { font-size: 0.7rem; letter-spacing: 0.34em; color: var(--gold); margin-bottom: 0.7rem; }
.piece__name { font-family: var(--display); font-weight: 400; font-size: clamp(1.8rem, 3vw, 2.4rem); line-height: 1; }
.piece__type { font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.2em; color: var(--ivory-dim); margin: 0.6rem 0 1rem; }
.piece__desc { font-size: 0.95rem; color: var(--muted); line-height: 1.7; max-width: 22rem; }
.piece__price { display: inline-block; margin-top: 1.2rem; font-size: 0.78rem; letter-spacing: 0.16em; color: var(--ivory); }

/* ---------- craftsmanship ---------- */
.craft { position: relative; z-index: 2; padding: clamp(5rem, 11vh, 9rem) var(--gutter); display: grid; gap: clamp(3rem, 6vw, 6rem); grid-template-columns: 1.1fr 1fr; align-items: center; }
.craft__title { margin: 0.6rem 0 1.6rem; }
.craft__copy { color: var(--ivory-dim); max-width: 30rem; font-size: 1.02rem; }
.figures { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.6rem, 3vw, 2.6rem); }
.figure { padding: 1.8rem 0; border-top: 1px solid var(--line); }
.figure__num { display: block; font-family: var(--display); font-weight: 400; font-size: clamp(2.6rem, 5vw, 4rem); color: var(--gold-bright); line-height: 1; letter-spacing: -0.01em; }
.figure__label { display: block; margin-top: 0.7rem; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.22em; color: var(--muted); }

/* ---------- invite ---------- */
.invite { position: relative; z-index: 2; padding: clamp(6rem, 14vh, 12rem) var(--gutter); text-align: center; }
.invite__inner { max-width: 44rem; margin: 0 auto; display: grid; justify-items: center; }
.invite__title { margin: 0.6rem 0 1.4rem; }
.invite__copy { color: var(--ivory-dim); margin-bottom: 2.6rem; font-size: 1.05rem; }

/* ---------- footer ---------- */
.foot { position: relative; z-index: 2; padding: clamp(4rem, 8vh, 6rem) var(--gutter) 2.4rem; }
.foot__top { display: flex; justify-content: space-between; gap: 3rem; flex-wrap: wrap; }
.foot__brand { font-family: var(--accent); font-size: clamp(2.4rem, 7vw, 4.6rem); letter-spacing: 0.18em; color: var(--ivory); }
.foot__cols { display: flex; gap: clamp(2rem, 5vw, 5rem); flex-wrap: wrap; }
.foot__cols div { display: flex; flex-direction: column; gap: 0.8rem; }
.foot__cols p { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.28em; color: var(--gold); margin-bottom: 0.5rem; }
.foot__cols a { font-size: 0.9rem; color: var(--ivory-dim); transition: color 0.4s; }
.foot__cols a:hover { color: var(--ivory); }
.foot__rule { height: 1px; background: var(--line); margin: 3rem 0 1.6rem; }
.foot__base { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: 0.74rem; letter-spacing: 0.08em; color: var(--muted); }

/* ---------- responsive ---------- */
@media (max-width: 920px) {
  .nav__links { gap: 1rem; }
  .nav__links a:not(.nav__cta) { display: none; }
  .pieces { grid-template-columns: 1fr; max-width: 30rem; margin: 0 auto; }
  .craft { grid-template-columns: 1fr; }
  .dial { opacity: 0.4; right: -30vw; }
  .foot__top { flex-direction: column; gap: 2.4rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}